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David Abbott's avatar

Climate activists are focused on purity. If they seriously worried about costs and benefits, their heads would explode.

Reducing global warming by 0.1 degree celsius means reducing global CO2 emissions by 170 gigatons. US emissions are 6.23 gigatons per year. To reduce global warming by 0.1 degree, you would have to reduce US emissions to zero for 27 plus years.

The only useful, cost-effective contribution America can make to climate change is developing technologies that can be deployed globally. Anything else is politically counterproductive virtue signaling.

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Sam Tobin-Hochstadt's avatar

The main problem here is the aside about land conservation (and generally the non climate impacts of fossil fuel extraction). That's the main reason there is grassroots environmental energy behind blocking exploration in Alaska, not climate. And if the President tried to make the case directly to the constituents of the environmental groups, we'd discover that they care more about conservation than about climate -- climate is a more elite concern even within the environmental movement.

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